Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Fredrick Sungjae An, DO

Individual provider Internal Medicine Physician · NPI 1194991901

Fredrick Sungjae An, DO is an Internal Medicine in Olympia, Washington. Graduated from College of Osteo Med of the Pacific at Pomona in 2008, 18 years ago. Practices with Kaiser Foundation Health Plan of Washington, a 1,519-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Oregon and Washington.

Years since qualifying
18
Trained at
College of Osteo Med of the Pacific at Pomona
Licensed in
OR, WA
In the registry since
2008
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

413 Lilly Rd NE
Olympia, WA 98506-5166
Phone: (360) 491-9480
Fax: (360) 456-2413
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 24800 Se Stark St, Gresham, OR 97030-3378 — (503) 413-8407
  • 1717 S J St, Tacoma, WA 98405-4933 — (253) 426-6341

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OP61580368 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence DO29350 (OR)
Hospitalist Physician Taxonomy 208M00000X · Licence OP61580368 (WA)

Record details

NPI number1194991901
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 1, 2008
Last updated in NPPESMarch 19, 2025
Certification dateMarch 19, 2025
Mailing address413 Lilly Rd Ne, Olympia, WA 98506-5166

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolCOLLEGE OF OSTEO MED OF THE PACIFIC AT POMONA
Graduated 2008 (18 years in practice)
Group practice Kaiser Foundation Health Plan Of Washington — 1519 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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